JC
John Connolly — 1940 US Census Record
Model Tree available1940 United States Federal Census · Oklahoma-County, Oklahoma
Our Model Tree links this John Connolly across the 1920, 1930 and 1940 US Censuses in Oklahoma-County, Oklahoma (XGBoost, ~Confirmed), with identified parents John & John — first a head (b.~1905), then head of a 4-person household.
Age 35
b. ~1905
Male
Head
Born: Oklahoma
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Oklahoma-County, Oklahoma |
| Surname | Connolly |
| Given Name | John Jr. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 35 |
| Marital Status | Married |
| Birthplace | Oklahoma |
| 1935 Residence (City) | Oklahoma City |
| 1935 Residence (County) | Oklahoma |
| Additional Details | |
| Occupation | Justice of Peace |
| Industry | Justice Court |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 0 |
| Highest Grade | C 2 |
| 1935 Residence | Same place |
| Birth State | Oklahoma |
| Birth Country | United States |
| Birthplace (normalized) | oklahoma |
| Occupation | Justice Of Peace |
| Township / Ward | Oklahoma City |
| Est. Birth Year | ~1905 |
Household Members
Census records only state relationship to the household head.
Pairwise kinship is derived (~90–95% accurate), not recorded.
Step/blended families and boarders can break it.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Rena Connolly | Spouse | — | 32 | ~1908 |
| Buddy Connolly | Son | — | 12 | ~1928 |
| John Connolly | Head | — | 35 | ~1905 |
| Sharon Connolly | Daughter | — | 2 | ~1938 |
Census Appearances
1920
Oklahoma, Oklahoma
Son, age 15
Oklahoma, Oklahoma · implied b. ~1905 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Connoly |
| Given Name | John Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Oklahoma |
| Father's Birthplace | Canada |
| Mother's Birthplace | Michigan |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Oklahoma |
| Birth Country | United States |
| Birthplace (normalized) | oklahoma |
1930
Oklahoma, Oklahoma
Son, age 25
Oklahoma, Oklahoma · implied b. ~1905 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Connolly |
| Given Name | John Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Oklahoma |
| Father's Birthplace | Canada Eng |
| Mother's Birthplace | Michigan |
| Occupation | Salesman |
| Industry | Real Estate |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Oklahoma |
| Birth Country | United States |
| Birthplace (normalized) | oklahoma |
1940
Oklahoma-County, Oklahoma
Head, age 35
Oklahoma-County, Oklahoma · implied b. ~1905 — 4 household members
| Surname | Connolly |
| Given Name | John Jr. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 35 |
| Marital Status | Married |
| Birthplace | Oklahoma |
| 1935 Residence (City) | Oklahoma City |
| 1935 Residence (County) | Oklahoma |
| Occupation | Justice of Peace |
| Industry | Justice Court |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 0 |
| Highest Grade | C 2 |
| 1935 Residence | Same place |
| Birth State | Oklahoma |
| Birth Country | United States |
| Birthplace (normalized) | oklahoma |
Model Tree
An inferred pedigree reconstructed from census links — up to 4 generations within the 1900–1950 window. Closer generations are built from household co-residence; deeper ones are bridged by following a relative to their own childhood census. Confidence compounds and weakens with each generation.
Our Model Tree links John Connolly across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father John Connolly (~0.92 confidence) and father John Connoly (~0.92 confidence) and mother Maud Connoly (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Connolly
b. ~1859
Source father
● Household
· direct · ~0.92
Father
John Connoly
b. ~1870
Source father
● Household
· direct · ~0.92
Mother
Maud Connoly
b. ~1879
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Connolly
Head · 1940 · age 35 · b. ~1905 · Oklahoma
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Oklahoma-County, Oklahoma
Open full size
1940 US Federal Census — Oklahoma-County, Oklahoma
Page Contents
38 people indexed on this census page (nara:1940:m-t0627-03342-00820)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Lenora B. Lewis | 38 | Head | Clerical | Missouri |
| 2 | Frances Lewis | 18 | Son | — | Oklahoma |
| 3 | Frances Lewis | 15 | Daughter | Stenographer | Oklahoma |
| 4 | A. C. Shinn | 53 | Head | Postal Clerk | Illinois |
| 5 | Mata Shinn | 47 | Wife | — | Oklahoma |
| 6 | Robert C. Clark | 32 | Head | Ironworker | Texas |
| 7 | Mary E. Clark | 25 | Wife | — | Oklahoma |
| 8 | Shirley Jean Clark | 10 | Daughter | — | Oklahoma |
| 9 | Robert Gerald Clark | 7 | Son | — | Missouri |
| 10 | Irene Jacobs | 36 | Head | Stenographer | Kansas |
| 11 | Naday Arbuckle | 65 | Mother | — | Kansas |
| 12 | Mia Horwitz | 60 | Head | Owner | Russia |
| 13 | Jeanne Horwitz | 60 | Wife | — | Russia |
| 14 | John Horwitz | 26 | Son | Manager | Oklahoma |
| 15 | Ethel H. Boedecker | 55 | Head | — | Missouri |
| 16 | Juliet Wright | 56 | Sister | Stenographer | Missouri |
| 17 | John Jr. Connolly THIS PERSON | 35 | Head | Justice Of Peace | Oklahoma |
| 18 | Rena Connolly | 32 | Wife | — | Oklahoma |
| 19 | Buddy Smith Connolly | 12 | Son | — | Oklahoma |
| 20 | Sharon Connolly | 2 | Daughter | — | Oklahoma |
| 21 | Jess T. Johnson | 61 | Head | Auction | Missouri |
| 22 | Nell S. Johnson | 58 | Wife | — | Missouri |
| 23 | Harry Culver | 47 | Head | Salesman | Kansas |
| 24 | Opal Culver | 36 | Wife | — | Illinois |
| 25 | Patrick W. Culver | 1 | Son | — | Oklahoma |
| 27 | Gladys M. Walker | 36 | Head | Supervisor | Iowa |
| 28 | Dorothy Walker | 18 | Daughter | — | Oklahoma |
| 29 | Robert Walker | 14 | Son | — | Oklahoma |
| 30 | Percy Walker | 12 | Son | — | Oklahoma |
| 32 | Harold Schmouenberger | 40 | Head | Owner | Iowa |
| 33 | Mabel Schmouenberger | 35 | Wife | — | Ohio |
| 34 | Bobby Schmouenberger | 4 | Son | — | Texas |
| 35 | Vivian Lister | 55 | Head | Owner Operator | Iowa |
| 36 | J. G. Miller | 48 | Head | Cooper | Arkansas |
| 37 | Emma Miller | 34 | Wife | Marker | Texas |
| 38 | Ethleen Miller | 19 | Daughter | Packer | Oklahoma |
| 39 | Nadine Miller | 15 | Daughter | — | Oklahoma |
| 40 | J. C. High | 33 | Head | Salesman | Oklahoma |
Pedigree Summary
John
Gen 1 · 3 parents
~0.92
Max depth 4 (1900–1950 window)
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1940 United States Federal Census (NARA). Our Model Tree links this person across census decades using XGBoost-based record linkage, with per-link confidence scores. Household corroboration strengthens the signal when co-residents appear on the same census pages in multiple years.
Source: National Archives and Records Administration (NARA)